I'm not Dan , but if the mobile home is titled and your are not holding the title as collateral, then the mobile home is not securing your loan.
(c) Requirement to purchase flood insurance where available—(1) In general. A member bank shall not make, increase, extend, or renew any designated loan unless the building or mobile home and any personal property securing the loan is covered by flood insurance for the term of the loan. The amount of insurance must be at least equal to the lesser of the outstanding principal balance of the designated loan or the maximum limit of coverage available for the particular type of property under the Act. Flood insurance coverage under the Act is limited to the building or mobile home and any personal property that secures a loan and not the land itself.
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It is better to act cautiously beforehand than to suffer afterward.
The answers I give are my opinions. Not legal advice.